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On Grand Isle, Mayor David Camardelle spent Thursday morning touring the island, assessing damage and making plans to get residents back home after the mandatory evacuation called as Isaac headed into the Gulf.

Camardelle says some of his efforts are hampered by a downed cell phone tower, which complicates communications.

Dawn brought lighter winds and intermittent rain in New Orleans. People in one Uptown neighborhood came out to begin cleaning up and just walk around. Police cars patrolled, but no city or power company crews were evident there early Thursday.

Sixty-seven-year-old Hal Mumford wasn't waiting for city workers to clean up the street outside his house. Feeling cooped up after two nights without power, he raked fallen branches away from a catch basin so water could drain out of the gutters.